Jack Andraka is a teenage scientist, inventor and cancer researcher. The young American is recognised for his role in developing a rapid and inexpensive method which detects an increase in proteins which are indicators to the presence of early lung, ovarian and pancreatic cancer. He was 15 when he made the discovery. He has won the Smithsonian American Ingenuity Youth Award and he has spoken at the Clinton Global Initiative, Chicago Ideas Week, and given a TED talk - which has more than four million views.